Science & technology | Neuroscience

Organoids and neuron transplants give new ways to study the brain

But they also bring ethical concerns

STUDYING THE human brain is hard. Other animals’ brains provide clues. But they cannot reveal the special essence that makes human brains different. Nor, often, do they make good models for neurological conditions that affect human beings.

This article appeared in the Science & technology section of the print edition under the headline “From here to humanity”

Where will he stop?

From the February 26th 2022 edition

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Dr Dorothy Bishop.

Elon Musk is causing problems for the Royal Society

His continued membership has led to a high-profile resignation

Legal Amazon preservation area borders the field for soybean planting.

Deforestation is costing Brazilian farmers millions

Without trees to circulate moisture, the land is getting hotter and drier


Robot mixing at Toyota Research Institute.

Robots can learn new actions faster thanks to AI techniques

They could soon show their moves in settings from car factories to care homes


Scientists are learning why ultra-processed foods are bad for you

A mystery is finally being solved

Scientific publishers are producing more papers than ever

Concerns about some of their business models are building

The two types of human laugh

One is caused by tickling; the other by everything else